package com.chen.service;

import com.chen.entity.Book;
import com.github.pagehelper.PageInfo;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface BookService {
    List<Book> selectAll();

    PageInfo<Book>getPage(@Param("pageNum")Integer pageNum);

    void del(Integer[]ids);
}
